This is a photo of the 79 year old victim his attorney is asked us not to identify him as he fears still for his safety. He's frail does not. I mean there were there would be no mistaking. That you were about to -- an old man. The victim had two fractures to his jaw spent more than four days in the hospital. He still recovering from the vicious unprovoked attack November 24 while he was walking near his Katie home. This suspect. Use. Race -- -- -- -- -- Who he was going to attack. Just this morning authorities took 27 year old -- -- spirits into custody. -- -- Grabbed it and examine and should have been done -- net Baghdad. Investigators say they only found out about the case because -- was showing off the video at a bar in full sure the night of the attack. He allegedly showed it to an off duty police officer he'd just met. Or -- phone authorities found not only the video of the attack but ten others including one where Barrett allegedly says quote. The plan is to see if I were to hit a black person would this be nationally televised. He also makes derogatory statements toward African Americans including one video in which he says that they quote. Haven't fully experience the blessing of evolution. In his defense Barrett's attorney says his client has severe mental health issues that he's bipolar and on heavy medication. There's no question but that dead in -- been to. These particular -- -- -- -- that's not an excuse is just real.

This transcript has been automatically generated and may not be 100% accurate.

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